Migration Guide

January 20, 2026 ยท View on GitHub

Newest Migration Guide

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(DEPRECATED) Migrating from TensorRT 4.x to 7.x

NOTE: Both TensorRT 4.x and 7.x are DEPRECATED by NVIDIA officially, so this part is outdated.

The following APIs are deprecated and replaced in TensorRT 7.

  • DimsCHW, replaced by Dims3
  • addConvolution(), replaced by addConvolutionNd()
  • addPooling(), replaced by addPoolingNd()
  • addDeconvolution(), replaced by addDeconvolutionNd()
  • createNetwork(), replaced by createNetworkV2()
  • buildCudaEngine(), replaced by buildEngineWithConfig()
  • createPReLUPlugin(), replaced by addActivation() with ActivationType::kLEAKY_RELU
  • IPlugin and IPluginExt class, replaced by IPluginV2IOExt or IPluginV2DynamicExt
  • Use the new Logger class defined in logging.h